Investors are pouring money into cannabis companies, and cannabis tech is an increasingly large part of the pie. These startups are insulated from much of the risks of investing in cannabis because they don't actually sell or distribute a federally controlled product. That frees up mainstream venture-capital and private-equity firms to invest. We asked some of the top cannabis investors to pick the cannabis tech startups they think will blow up this year. Read on for their picks. Investors are pouring money into the red-hot cannabis sector.